Question

determine as raizes das equacoes a)x²-6x b)x²-5x c)x²+12x​

Answer 1

Resposta:

Explicação passo a passo:

a.

x²-6x=0

x(x-6)=0

x=0

x-6=0

x=0+6

x=6

S={0,6}

b.

x²-5x=0

x(x-5)=0

x=0

x-5=0

x=0+5

x=5

S={0,5}

c.

x²+12x=0

x(x+12)=0

x=0

x+12=0

x=0-12

x=-12

S={-12,0}